[ENG-10291] Update the institution model to support in-progress SSO#106

cslzchen merged 2 commits intoCenterForOpenScience:feature/osf4i-in-progress-ssoCenterForOpenScience/osf-cas:feature/osf4i-in-progress-ssofrom

cslzchen:feature/sso-availability-model-updatecslzchen/osf-cas:feature/sso-availability-model-updateCopy head branch name to clipboard